医学上唐氏儿检查的准确率是99%。不知道你说的误差率极高，数据哪里来的？

来源: alwaysluck 于 2022-05-04 22:17:20 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.